Schaefer Marine

Schaefer 7 Series Triple Blocks

7 Series blocks offer medium sized racing and cruising yachts Delrin and Delrin ball bearing sheave blocks with some of the highest performance statistics.

  • Highly polished Stainless steel, or tough, hardcoat anodized aluminum cheeks are reinforced with large, stainless V-straps and head posts.

  • Available with custom mounting options.

  • Three way head design for mounting on other Schaefer products.

  • Maximum Line diameter 9/16".

  • Stainless/Aluminum SWL 2250 lbs.

  • Ball Bearing SWL 1700 lbs.

  • Sheave diameter - 2-3/8"

  • Pin diameter = 1/4"

Schaefer 704-94 Triple Aluminum Block - Universal Head
Triple Block with Aluminum Cheeks, Delrin(tm) Sheaves. For boats to 34'. Use in combination with oth..
Schaefer 704-98 Triple Aluminum Block w/ Adjustable Cam and Becket
Triple Block with Aluminum Cheeks, Delrin(tm) Sheaves, Adjustable Cam and Becket. For boats to 34'. ..
Schaefer 705-94 Triple Stainless Block - Universal Head
Triple Block with Stainless Steel Cheeks. Universal Head design may be locked in place or allowed to..
Schaefer 705-95 Triple Stainless Block with Becket - Universal Head
Triple Block with Stainless Steel Cheeks and Becket. Universal Head design may be locked in place or..
Schaefer 705-98 Triple Stainless Block w/ Adj. Cam and Becket
Triple Block with Stainless Steel Cheeks, Adjustable Cam and Becket. Universal Head design may be lo..
Schaefer 706-94 Triple Ball Bearing Block - Universal Head
Triple Ball Bearing Block with Aluminum Cheeks, Delrin(tm) Ball Bearing Sheaves. For boats to 34'. U..
Schaefer 706-98 Triple Aluminum Ball Bearing Block w/ Adj. Cam and Becket
Triple Ball Bearing Block with Aluminum Cheeks, Delrin(tm) Ball Bearing Sheaves, Becket, Adjustable ..
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